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Finding the Fourth Proportional to 262,602.29, 393,870.62 and 73,076.87

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Solution

The fourth proportional to 262,602.29, 393,870.62 and 73,076.87 is: 109,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,602.29 : 393,870.62 = 73,076.87 : x
  2. Step 2: Convert to fraction form
    262,602.29/393,870.62 = 73,076.87/x
  3. Step 3: Cross multiply
    262,602.29x = 393,870.62 × 73,076.87
  4. Step 4: Simplify right side
    262,602.29x = 28,782,829,759.82
  5. Step 5: Solve for x
    x = 28,782,829,759.82/262,602.29
  6. Step 6: Final answer
    x = 109,606.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.